GMBUS_RATE_100KHZ   35 drivers/gpu/drm/gma500/psb_intel_reg.h #define   GMBUS_RATE_100KHZ	(0<<8)
GMBUS_RATE_100KHZ 3211 drivers/gpu/drm/i915/i915_reg.h #define   GMBUS_RATE_100KHZ	(0 << 8)